Dishwasher tub bottom wall



FIG. 1 is a top perspective view of a dishwasher tub bottom wall showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a sectional view taken along line 7--7 in FIG. 2;

FIG. 8 is a sectional view taken along line 8--8 in FIG. 2;

FIG. 9 is a sectional view taken along line 9--9 in FIG. 2;

FIG. 10 is a sectional view taken along line 10--10 in FIG. 2; and,

FIG. 11 is a sectional view taken along line 11-11 in FIG. 2. 

The ornamental design for a dishwasher tub bottom wall, as shown and described. 